[Clinical case of auricular gouty tophi].

A clinical case of a patient with tumors of the auricles on both sides is presented. With careful collection of anamnesis, it was found that the patient suffers from gout for a long time, has concomitant diseases that aggravate its course, and there is no compliance to treatment. Based on these data, the presence of gouty tophi, which are deposits of sodium monaurate in tissues in the form of nodes, is suspected.

[Features and results of surgical rehabilitation of hearing loss in osteogenesis imperfecta].

Unlabelled: Osteogenesis imperfecta (OI) is a form of congenital osteoporosis. Depending on the type of OI, patients experience various types of hearing loss. Depending on the type and degree of hearing loss, various methods of hearing rehabilitation are used in this category of patients.

[Endonasal repair of spontaneous CSF fistulas of the lateral recess of the sphenoid sinus].

CSF fistulas of the lateral recess of the sphenoid sinus are a rare surgical pathology. Cerebrospinal fluid leak from lateral recess of the sphenoid sinus is observed with a frequency of 7.7% among all leakafe of the skull base.

[Clinical and radiological classification of otosclerosis].

The article presents various classifications of forms of otosclerosis (OS), which change with the development of diagnostic methods. At the same time, according to the literature, a unified OS classification has not yet been adopted. All existing classifications are imperfect to some extent.